To measure the effects of Internet-based distractions during class, researchers, evaluated 500 students taking an introductory psychology class at michigan State University.
2018年12月六级真题（第二套）阅读
柯林斯高阶英汉双解学习词典释义
VERB
评估;评价
If you evaluate something or someone, you consider them in order to make a judgment about them, for example about how good or bad they are.